Patents by Inventor Sung-Mo Lee

Sung-Mo Lee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20200335783
    Abstract: A positive electrode material including a first positive electrode active material represented by Formula 1 and a second positive electrode active material represented by Formula 2, a positive electrode including the same, and a lithium secondary battery including the positive electrode are provided. The positive electrode material has a bimodal particle size distribution including large diameter particles and small diameter particles, and the difference in average particle diameter (D50) between the large diameter particles and the small diameter particles is 3 ?m or greater.
    Type: Application
    Filed: November 21, 2018
    Publication date: October 22, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Dong Hun Lee, Wang Mo Jung, Sung Bin Park, Ji Hye Kim, Dong Hwi Kim, Hyung Man Cho, Jung Min Han
  • Publication number: 20200326912
    Abstract: Provided are a random number generating device and an operating the same. The random number generating device includes a particle detector, a pulse generator, a clock counter, and a random number converter. The particle detector detects particles emitted from a radioactive isotope. The pulse generator generates pulses corresponding to the particles. The clock counter counts the number of clocks during time intervals between the pulses and generates a plurality of count values. The random number converter adjusts a clock frequency, based on a minimum value and a maximum value of the plurality of count values and converts a target count value generated depending on the adjusted clock frequency into a random number.
    Type: Application
    Filed: April 8, 2020
    Publication date: October 15, 2020
    Inventors: Kyung Hwan PARK, Seong Mo PARK, Byounggun CHOI, Sung Weon KANG, Tae Wook KANG, Jae-Jin LEE, In Gi LIM
  • Patent number: 10803383
    Abstract: Provided is a neuromorphic arithmetic device. The neuromorphic arithmetic device may include a synapse circuit, a metal line having an inherent capacitance component, an oscillator, a comparator, and a capacitance calibrator. The synapse circuit may be configured to perform a multiplication operation on a PWM signal and a weight to generate a current. The metal line may include a metal line capacitor in which a charge of the current is stored. The oscillator generates a plurality of pulses on the basis of the charge stored in the metal line capacitor. The comparator may compare a frequency of the plurality of pulses and a target frequency, and may generate a control signal on the basis of a result of the comparison. The capacitance calibrator may adjust a capacitance value of the metal line capacitor on the basis of the control signal.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: October 13, 2020
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kwang Il Oh, Sung Eun Kim, Seong Mo Park, Hyung-Il Park, Joo Hyun Lee
  • Publication number: 20200322210
    Abstract: There are provided a method and apparatus for delivering transport characteristics of multimedia data. According to an aspect of the present invention, transport characteristics of media data that can be divided in a unit of a Media Processing Unit (MPU) are created in a unit of a predetermined number of MPUs, the created transport characteristics and a flag indicating presence or absence of the created transport characteristics are inserted into the media data, and the resultant media data is delivered. Accordingly, by using transport characteristics in units of media data unit groups, each media data unit corresponding to a short time length, it is possible to effectively control Quality of Service (QoS) in a dynamically changing transport environment, like a mobile network.
    Type: Application
    Filed: June 18, 2020
    Publication date: October 8, 2020
    Inventors: Kyung-Mo PARK, Sung-Oh HWANG, Doug-Young SUH, Yong-Hun LEE
  • Patent number: 10793438
    Abstract: A method of recycling a composite container for a high-pressure gas is carried out so as to recover carbon fibers in a long fiber state, using a recovering apparatus that can separate the inner and outer containers of a composite container for a high-pressure gas such as a hydrogen tank and take carbon fibers out of the outer container without cutting it in order to recycle the composite container, in order to increase the degree of recovery of carbon fibers and improve the efficiency of recycling.
    Type: Grant
    Filed: October 24, 2015
    Date of Patent: October 6, 2020
    Assignee: Hyundai Motor Company
    Inventors: Boo Youn An, Dong Jun Lee, Kie Youn Jeong, Hong Mo Koo, Bong Hyun Park, Sung Joon Hong
  • Publication number: 20200313158
    Abstract: Disclosed are a negative electrode active material including lithium titanium oxide particles, wherein the lithium titanium oxide particles have an average particle diameter (D50) of 0.5-9 ?m, a specific surface area of 3-7 m2/g, and a pellet density of 1.7 g/cc or more under a pressure of 64 MPa, and a lithium secondary battery including the same.
    Type: Application
    Filed: March 21, 2018
    Publication date: October 1, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Bo-Ram LEE, Sung-Bin PARK, Ji-Young PARK, Chi-Ho JO, Jung-Min HAN, Hyuck HUR, Wang-Mo JUNG
  • Patent number: 10785997
    Abstract: The present invention provides a sterilizer which includes a steam chamber comprising a steam chamber upper member and a steam chamber lower member which are bolt-coupled to each other; an inlet door configured to open or close an inlet of the steam chamber; and an outlet door configured to open or close an outlet of the steam chamber, wherein each of the steam chamber upper member and the steam chamber lower member comprises a housing defining a steam chamber inner space and a plurality of reinforcement ribs formed on a surface of the housing at a predetermined height.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: September 29, 2020
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Jong Chul Kim, Sung Mo Geum, Hak Bae Kim, Jun Mo Gu, Gun Dong Kim, Myung Ho Kim, Han Seul Lee, Eun Hye Kim, Hye Mi Choi
  • Patent number: 10784510
    Abstract: The present invention relates to an active material for a lithium secondary battery, which includes a secondary particle formed by agglomeration of primary particles which include a lithium titanium composite oxide represented by Formula 1 or Formula 2, wherein a pore volume is in a range of 0.001 cm3/g to 0.05 cm3/g, and a method of preparing the same, wherein the active material for a lithium secondary battery according to the present invention may maintain an adequate pore volume even during rolling, because strength of the secondary particle is improved by controlling a particle diameter of the primary particle by introducing a metallic element.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: September 22, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Hye Lim Jeon, Dong Hun Lee, Sung Bin Park, Wang Mo Jung, Seong Hoon Kang
  • Patent number: 10770765
    Abstract: Disclosed is a battery module, which includes a cell assembly composed of a plurality of cells, and a frame assembly having a bottom plate supporting the cell assembly from a lower portion, a side plate perpendicular to the bottom plate and disposed adjacent to an outermost side of the cell assembly, and a top plate covering an upper portion of the cell assembly, wherein a groove forming an external air inflow space between the side plate and the cell assembly is formed at the side plate to elongate in a length direction thereof.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: September 8, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Ji-Su Yoon, Dal-Mo Kang, Jeong-O Mun, Mi-Geum Choi, Sung-Won Seo, Hee-Jun Jin, Yoon-Koo Lee, Sang-Woo Ryu
  • Patent number: 10760848
    Abstract: Provided herein is a refrigerator with an improved coupling structure of a heat dissipation duct for dissipating heat generated in a display unit and having and applying the improved heat dissipation duct to a door having a thin thickness such that a problem in which a curve is generated at an exterior of a door when an inside of the door is filled with a heat insulating material is prevented. The refrigerator includes a main body, and a door, wherein the door includes a door cap coupled to at least one of an upper portion and a lower portion of the door, a display unit provided at a front surface of the door, a heat dissipation cover arranged behind the display unit, and a heat dissipation duct slidably inserted into the door through the at least one of the upper portion and the lower portion of the door.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: September 1, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong Won Koo, Sung Mo Kim, Po Cheon Kim, Sang Cheol Lee, Oun Gu Lee, Woo Chul Cho, Sun Hwan Joo
  • Publication number: 20200266439
    Abstract: A method of preparing a positive electrode active material for a secondary battery includes preparing a positive electrode active material precursor including nickel (Ni), cobalt (Co), and at least one selected from the group consisting of manganese (Mn) and aluminum (Al); and forming a lithium composite transition metal oxide by mixing the positive electrode active material precursor and a lithium source and performing calcination, wherein the positive electrode active material precursor includes nickel (Ni) in an amount of 60 mol % or more out of the entire metal element, and a molar ratio (Li/M) of lithium (Li) of the lithium source to the entire metal element (M) of the positive electrode active material precursor is greater than 1.1.
    Type: Application
    Filed: November 13, 2018
    Publication date: August 20, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Sung Bin Park, Wang Mo Jung, Dong Hun Lee, Ji Hye Kim, Dong Hwi Kim, Hyung Man Cho, Jung Min Han
  • Publication number: 20200266438
    Abstract: A positive electrode material for a secondary battery, including a first positive electrode active material and a second positive electrode active material, wherein the first positive electrode active material and the second positive electrode active material consist of a lithium composite transition metal oxide including at least two or more transition metals selected from the group consisting of nickel (Ni), cobalt (Co) and manganese (Mn) are provided. The average particle size (D50) of the first positive electrode active material is two or more times larger than that of the second positive electrode active material, and the first positive electrode active material has a concentration gradient in which at least one of Ni, Co or Mn contained in the lithium composite transition metal oxide has a concentration difference of 1.5 mol % or more between the center and the surface of a particle of the lithium composite transition metal oxide.
    Type: Application
    Filed: November 21, 2018
    Publication date: August 20, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Jung Min Han, Wang Mo Jung, Dong Hun Lee, Sung Bin Park, Ji Hye Kim, Dong Hwi Kim, Hyung Man Cho
  • Patent number: 10750222
    Abstract: An apparatus and a method for providing an adaptive multimedia service in a mobile communication system are provided. The method of providing a multimedia service includes collecting user-preference-aware information, device-capability-aware information, and network-aware information, generating a packet according to a correlation among the user-preference-aware information, the device-capability-aware information, and the network-aware information, and providing a multimedia service according to the generated packet.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: August 18, 2020
    Assignees: Samsung Electronics Co., Ltd., UNIVERSITY—INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Sung-Oh Hwang, Doug-Young Suh, Kyung-Mo Park, Yong-Hun Lee, Jun-Oh Kim, Jae-Yeon Song, Yong-Il Kwon
  • Publication number: 20200259173
    Abstract: A positive electrode active material for a secondary battery including a core part and a shell part formed around the core part is provided. Here, the core part and the shell part include a lithium composite transition metal oxide including Ni and Co, and at least one or more selected from the group consisting of Mn and Al, and a ratio of the diameter of the core part to the total diameter of a particle of the positive electrode active material is 0.5 to 0.85, and the shell part has a concentration gradient such that a Ni concentration at the start point of the shell part near the core part is 30 mol % or higher than that at the end point of the shell part near the particle surface.
    Type: Application
    Filed: November 8, 2018
    Publication date: August 13, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Ji Hye Kim, Wang Mo Jung, Dong Hun Lee, Sung Bin Park, Dong Hwi Kim, Hyung Man Cho, Jung Min Han
  • Patent number: 10728082
    Abstract: There are provided a method and apparatus for delivering transport characteristics of multimedia data. According to an aspect of the present invention, transport characteristics of media data that can be divided in a unit of a Media Processing Unit (MPU) are created in a unit of a predetermined number of MPUs, the created transport characteristics and a flag indicating presence or absence of the created transport characteristics are inserted into the media data, and the resultant media data is delivered. Accordingly, by using transport characteristics in units of media data unit groups, each media data unit corresponding to a short time length, it is possible to effectively control Quality of Service (QoS) in a dynamically changing transport environment, like a mobile network.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: July 28, 2020
    Assignees: Samsung Electronics Co., Ltd., University-Industry Cooperation Group of Kyung Hee University
    Inventors: Kyung-Mo Park, Sung-Oh Hwang, Doug-Young Suh, Yong-Hun Lee
  • Patent number: 10694173
    Abstract: A multiview image display apparatus is provided. The multiview image display apparatus includes a depth adjuster configured to adjust a depth of an input image, a renderer configured to perform rendering on multiview images based on the depth-adjusted image, a crosstalk compensator configured to perform crosstalk inverse compensation on the rendered multiview images, a display configured to arrange the crosstalk inverse compensated multiview images in a preset arrangement pattern and display the crosstalk inverse compensated multiview images arranged in the preset arrangement pattern, and a controller configured to estimate crosstalk, and control the depth adjuster to adjust a depth value of a region that satisfies a preset condition to a preset depth value based on the estimated crosstalk.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: June 23, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-yeol Kim, Jin-mo Kang, Yong-seok Heo, Ho-young Lee
  • Publication number: 20200194851
    Abstract: A battery module includes: a plurality of battery cells; a top plate configured to cover an upper side of the battery cells; a bottom plate configured to cover a lower side of the battery cells; a pair of side plates configured to cover both side surfaces of the battery cells; a bus bar unit configured to cover a front side and a rear side of the battery cells, the bus bar being electrically connected to the battery cells; and a pair of heatsinks each having a coolant injection portion and a coolant discharge portion protruding out of the battery module. The pair of heat sinks are provided at the upper side and the lower side of the battery cells, respectively.
    Type: Application
    Filed: February 18, 2019
    Publication date: June 18, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Sung-Won Seo, Dal-Mo Kang, Jeong-O Mun, Yoon-Koo Lee, Alexander Eichhorn, Andreas Track
  • Publication number: 20200185716
    Abstract: A method for producing a positive electrode active material, a positive electrode active material produced thereby, and a positive electrode and a lithium secondary battery including the same are provided. The method includes preparing a nickel-manganese-aluminum precursor having an atomic fraction of nickel of 90 atm % or greater in all transition metals, and mixing the nickel-manganese-aluminum precursor, a cobalt raw material, and a lithium raw material and heat treating the mixture.
    Type: Application
    Filed: December 3, 2019
    Publication date: June 11, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Jin Tae Hwang, Dong Hun Lee, Sung Bin Park, Hyung Man Cho, Jung Min Han, Wang Mo Jung
  • Publication number: 20200185714
    Abstract: A positive electrode material and a method of producing thereof is provided. The positive electrode material having a bimodal particle diameter distribution and including large-diameter particles and small-diameter particles, wherein the small-diameter particle is a lithium composite transition metal oxide in the form of a single particle and containing a rock salt phase formed on a surface portion thereof.
    Type: Application
    Filed: December 3, 2019
    Publication date: June 11, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Jung Min Han, Dong Hun Lee, Sung Bin Park, Hyung Man Cho, Jin Tae Hwang, Wang Mo Jung
  • Publication number: 20200185713
    Abstract: A method for producing a high-nickel positive electrode active material, a positive electrode active material produced thereby, and a positive electrode and a lithium secondary battery including the same is provided. The method includes preparing a lithium composite transition metal oxide having a nickel content of 80 atm % or greater among transition metals, washing the lithium composite transition metal oxide, and mixing the washed lithium composite transition metal oxide with an aluminum raw material and heat treating the mixture at a temperature of 650° C. to 690° C. to obtain a positive electrode active material having a surface portion doped with aluminum.
    Type: Application
    Filed: December 2, 2019
    Publication date: June 11, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Jin Tae Hwang, Dong Hun Lee, Sung Bin Park, Hyung Man Cho, Jung Min Han, Wang Mo Jung